package com.swdegao.iot.netty.utils;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.*;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Repository;
import com.alibaba.fastjson.JSONArray;
import java.io.Serializable;
import java.util.List;
import java.util.Set;
import java.util.concurrent.TimeUnit;

/**
 * Created by Administrator on 2017/12/1.
 */
@Component
@Repository
@SuppressWarnings({"unchecked","rawtypes"})
public class RedisUtils {

	@Autowired
    private RedisTemplate redisTemplate;
	
	@Autowired(required = false)
	public void setRedisTemplate(RedisTemplate redisTemplate) {
	    RedisSerializer stringSerializer = new StringRedisSerializer();
	    redisTemplate.setKeySerializer(stringSerializer);
	    redisTemplate.setValueSerializer(stringSerializer);
	    redisTemplate.setHashKeySerializer(stringSerializer);
	    redisTemplate.setHashValueSerializer(stringSerializer);
	    this.redisTemplate = redisTemplate;
	}
	
    /**
     * 写入缓存
     * @param key
     * @param value
     * @return
     */
    public boolean set(final String key, Object value) {
        boolean result = false;
        try {
            ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
            operations.set(key, value);
            result = true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }
    /**
     * 写入缓存设置时效时间
     * @param key
     * @param value
     * @return
     */
	public boolean set(final String key, Object value, Long expireTime) {
        boolean result = false;
        try {
            ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
            operations.set(key, value);
            redisTemplate.expire(key, expireTime, TimeUnit.SECONDS);
            result = true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }
    /**
     * 批量删除对应的value
     * @param keys
     */
    public void remove(final String... keys) {
        for (String key : keys) {
            remove(key);
        }
    }

    /**
     * 批量删除key
     * @param pattern
     */
    public void removePattern(final String pattern) {
        Set<Serializable> keys = redisTemplate.keys(pattern);
        if (keys.size() > 0)
            redisTemplate.delete(keys);
    }
    /**
     * 删除对应的value
     * @param key
     */
    public void remove(final String key) {
        if (exists(key)) {
            redisTemplate.delete(key);
        }
    }
    /**
     * 判断缓存中是否有对应的value
     * @param key
     * @return
     */
    public boolean exists(final String key) {
        return redisTemplate.hasKey(key);
    }
    /**
     * 读取缓存
     * @param key
     * @return
     */
    public JSONArray get(final String key) {
//        String result = "";
        ValueOperations<Serializable, JSONArray> operations = redisTemplate.opsForValue();
        
        return operations.get(key);
    }
    
    /**
     * 读取缓存
     * @param key
     * @return
     */
    public String getObject(final String key) {
//        String result = "";
        ValueOperations<Serializable, String> operations = redisTemplate.opsForValue();
        
        return operations.get(key);
    }
    /**
     * 哈希 添加
     * @param key
     * @param hashKey
     * @param value
     */
    public void hmSet(String key, Object hashKey, Object value){
        HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
        hash.put(key,hashKey,value);
    }

    /**
     * 哈希获取数据
     * @param key
     * @param hashKey
     * @return
     */
    public Object hmGet(String key, Object hashKey){
        HashOperations<String, Object, Object>  hash = redisTemplate.opsForHash();
        return hash.get(key,hashKey);
    }
    /**
     * 哈希是否存在数据
     * @param key
     * @param hashKey
     * @return
     */
    public boolean hmhave(String key, Object hashKey){
        HashOperations<String, Object, Object>  hash = redisTemplate.opsForHash();
        return hash.hasKey(key, hashKey);
    }
   
    /**
     * 列表添加
     * @param k
     * @param v
     */
    public void lPush(String k,Object v){
        ListOperations<String, Object> list = redisTemplate.opsForList();
        list.rightPush(k,v);
    }

    /**
     * 列表获取
     * @param k
     * @param l
     * @param l1
     * @return
     */
    public List<Object> lRange(String k, long l, long l1){
        ListOperations<String, Object> list = redisTemplate.opsForList();
        return list.range(k,l,l1);
    }
    /**
     * 获取指定索引位置的值, index为-1时，表示返回的是最后一个；当index大于实际的列表长度时，返回null
     *
     * @param key
     * @param index
     * @return
     */
    public Object index(String key, int index) {
        return redisTemplate.opsForList().index(key, index);
    }
    /**
     * 设置list中指定下标的值，采用干的是替换规则, 最左边的下标为0；-1表示最右边的一个
     *
     * @param key
     * @param index
     * @param value
     */
    public void set(String key, Integer index, String value) {
        redisTemplate.opsForList().set(key, index, value);
    }
   
    /**
     * 删除list首尾，只保留 [start, end] 之间的值
     *
     * @param key
     * @param start
     * @param end
     */
    public void trim(String key, Integer start, Integer end) {
        redisTemplate.opsForList().trim(key, start, end);
    }
    /**
     * 删除key对应list中的制定元素
     * @param key
     * @param index
     * @param value
     * @return
     */
    public long removeValue(String key, Integer index,Object value) {
    	long removeCount =redisTemplate.opsForList().remove(key, index, value);//返回移除的元素个数
        return removeCount;
    }
    /**
     * 根据Key获取value
     * @return 
     */
    public Object getValueByKey(String k) {
    	ListOperations<String, Object> list = redisTemplate.opsForList();
    	return list.leftPop(k); 	
    }
    
    /**
     * 获取列表所有key值
     * @return
     */
    public Set<String> getAllKeys(){
    	Set<String> ss =  redisTemplate.keys("*");
		return ss;
    }
    /**
     * 获取列表长度
     * @param key
     * @return
     */
    public Integer getLength(String  key) {
    	Long count = redisTemplate.opsForList().size(key);
		return Integer.parseInt(String.valueOf(count));
    	
    }
    
    /**
     * 截取列表
     * @param key
     * @param start
     * @param end
     */
    public void lTrim(String key,long start, long end) {
    	redisTemplate.opsForList().trim(key,start,end);
    }

    /**
     * 集合添加
     * @param key
     * @param value
     */
    public void add(String key,Object value){
        SetOperations<String, Object> set = redisTemplate.opsForSet();
        set.add(key,value);
    }

    /**
     * 集合获取
     * @param key
     * @return
     */
    public Set<Object> setMembers(String key){
        SetOperations<String, Object> set = redisTemplate.opsForSet();
        return set.members(key);
    }

    /**
     * 有序集合添加
     * @param key
     * @param value
     * @param scoure
     */
    public void zAdd(String key,Object value,double scoure){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        zset.add(key,value,scoure);
    }

    /**
     * 有序集合获取
     * @param key
     * @param scoure
     * @param scoure1
     * @return
     */
    public Set<Object> rangeByScore(String key,double scoure,double scoure1){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        return zset.rangeByScore(key, scoure, scoure1);
    }

}